Home / 1,620,248.47-2,429,809.88-901,686.74

Finding the Fourth Proportional to 1,620,248.47, 2,429,809.88 and 901,686.74

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Solution

The fourth proportional to 1,620,248.47, 2,429,809.88 and 901,686.74 is: 1,352,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,248.47 : 2,429,809.88 = 901,686.74 : x
  2. Step 2: Convert to fraction form
    1,620,248.47/2,429,809.88 = 901,686.74/x
  3. Step 3: Cross multiply
    1,620,248.47x = 2,429,809.88 × 901,686.74
  4. Step 4: Simplify right side
    1,620,248.47x = 2,190,927,332,859.51
  5. Step 5: Solve for x
    x = 2,190,927,332,859.51/1,620,248.47
  6. Step 6: Final answer
    x = 1,352,216.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.